Allopurinol
Name: allopurinol;
Chemical name: 4- hydroxy [3,4-d];
1H-, [3,4-d], and -4-
English Name: Allopurinol
Molecular formula: C5H4N4O
Molecular weight: 136.11
Structure type：
Physical and chemical properties: This product is white or white crystalline powder; no odor. The melting point of 320 DEG C (cut-off point), soluble in alkaline solution, slightly soluble in water and ethanol, insoluble in chloroform and ether.
Quality standard: the content above 98%, dry weight loss below 0.5%, burning residue is below 0.1%, the heavy metal 20ppm
Storage: shading, sealing preservation.
